20 teams, each plays the others twice - home and away - for a total of 38 games each, over 38 game weeks.
3 points for a win, 1 point for a draw, 0 points for a loss.
1. points won; 2. points in head-to-head matches; 3. goal difference in hth matches; 4. total goal difference; 5. total goals scored; 6. fairplay ranking.
Qualification for UEFA competitions:
1-4 place: UEFA Champions League Group stage
5 place: UEFA Europa League Group stage
6 place: UEFA Europa League Qualifiers
7 place: possible UEFA Europa League Qualifiers (depends on Copa del Rey outcome)
Relegation from the league:
18-20 place: relegated to Segunda División
Promotion to the league:
3 teams from Segunda División